US6764284B2 - Pump mount using sanitary flange clamp - Google Patents
Pump mount using sanitary flange clamp Download PDFInfo
- Publication number
- US6764284B2 US6764284B2 US10/325,610 US32561002A US6764284B2 US 6764284 B2 US6764284 B2 US 6764284B2 US 32561002 A US32561002 A US 32561002A US 6764284 B2 US6764284 B2 US 6764284B2
- Authority
- US
- United States
- Prior art keywords
- pump
- motor
- annular connection
- flange
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/007—General arrangements of parts; Frames and supporting elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/005—Removing contaminants, deposits or scale from the pump; Cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0069—Magnetic couplings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/70—Disassembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
Definitions
- the present invention relates generally to fluid metering assemblies, and more particularly to fluid pumps and motors for operating such pumps.
- a motor is removably mounted to a pump to operate the pump.
- the motor and/or pump are removably mounted to permit the pump and/or motor to be inspected and/or repaired.
- the pump is a self-contained unit and includes a housing, inlet and outlet ports, and a pump mechanism enclosed within the housing.
- One well-known pump mechanism is a gear pump with adjacent gears which accurately meter the fluid from the inlet to the outlet;
- the gears are mounted on a pair of journaled shafts, one of which is the drive shaft and extends outwardly from one end of the pump housing.
- the motor can be any type of motor appropriate for the particular application, and in many applications also comprises a self-contained unit including a housing and a drive mechanism.
- a drive shaft is coupled to the drive mechanism and projects outwardly from one end of the motor housing.
- a coupling assembly couples the drive mechanism in the motor to the pump mechanism in the pump.
- One such coupling assembly includes a mechanical coupling between the drive shaft of the motor and the drive shaft of the pump.
- Another such coupling assembly comprises magnetic coupling components, which couple the drive mechanism of the motor to the pump mechanism of the pump without direct mechanical linkage. In any event, when the drive mechanism of the motor is rotated, the pump mechanism is operated to transfer fluid received in the inlet to the outlet.
- an improved metering assembly having a pump removably coupled to a motor, where the pump can be simply and easily connected to and disconnected from the motor, and which minimizes the time and labor associated with changing out a pump.
- the present invention provides a novel and unique metering assembly which includes a pump removably mounted on a motor.
- the pump can be simply and easily mounted to and removed from the motor, which reduces the time and labor associated with repairing the pump.
- the mounting can advantageously be accomplished by hand—without the need for special repair tools.
- annular connection flange is provided at one end of the housing (the end having the motor drive shaft); and a cooperating annular connection flange is provided at one end of the pump (the end having the pump drive shaft).
- the connection flanges have opposed, mating end surfaces which can be located in flush, sealing relation with each other; and preferably have beveled (or tapered) peripheral edges.
- a flange clamp is used, preferably of the type commonly referred to as a “sanitary flange clamp”.
- the flange clamp surrounds and encompasses the annular connection flanges of the pump and the motor.
- the flange clamp includes an internal geometry cooperating with the beveled edges on the annular connection flanges to securely retain the connection flanges in fixed relation to one another to create a mechanical face seal between the opposing end surfaces of the pump and motor.
- the flange clamp preferably includes a pair of arcuate clamping arms which are pivotally supported at one end, such as being connected directly together, or connected through an intermediate arcuate arm; and a locking member connecting the other, distal free ends of the arms together. The locking member can be manually tightened and untightened, so that the flange clamp can be easily located around and tightened down around the annular connection flanges of the pump and motor.
- the pump includes a locating geometry, such as an annular raised ridge or surface portion on the forward surface of the connecting flange, which is received within a cooperating circular recess in the mating surface of the motor connecting flange.
- the locating geometry properly concentrically and axially aligns the motor with respect to the pump. This also allows the pump to be mounted at any rotational orientation with respect to the motor, to facilitate the adaptability of the pump and motor for various applications.
- a rotational orientation feature such as a pin and hole, could be provided if it is important or useful to have the pump mounted at a specific rotational orientation with respect to the motor.
- the present invention provides a fluid metering assembly with a flange clamp which provides a simple and easy connection and disconnection of a pump from a motor, and which thereby minimizes the time and labor associated with changing out a pump.
- the flange clamp of the present invention allows rapid and tool-free connection and disconnection of the pump from the motor.
- FIG. 1 is an elevated perspective view of a metering assembly constructed according to the principles of the present invention
- FIG. 2 is a front end view of the metering assembly of FIG. 1;
- FIG. 3 side view of the metering assembly of FIG. 1, with a portion shown in cross-section along the plane described substantially by the lines 3 — 3 in FIG. 2;
- FIG. 4 is an exploded view of the metering assembly
- FIG. 5 is an enlarged cross-sectional portion of the pump of FIG. 3 .
- the metering assembly 10 includes a motor, indicated generally at 12 ; and a pump, indicated generally at 14 .
- the motor can be any type of motor appropriate for the particular application, and includes an elongated housing 16 typically supported on a base.
- the housing 16 encloses an internal drive mechanism (e.g., a rotor and stator), indicated generally at 20 , which is controlled and powered, for example, by an electrical connection, indicated generally at 22 .
- a drive shaft 26 is rotatably supported in the housing and coupled to the drive mechanism for rotation therewith.
- the drive shaft projects outwardly from one end of the motor housing.
- a sensor (such as a Hall effect sensor—not shown) can be received in an opening 28 to sense the rotation of the drive shaft 26 .
- a particularly useful motor for the present invention is commercially-available from the Zenith Pumps Division of Parker-Hannifin Corporation, Sanford, N.C., under the mark/designation “ZeDrive”, and is a 1 ⁇ 2 hp DC wet motor; although it should be appreciated that a variety of motors could be used with the present invention, and the above is only an example of one such motor.
- the pump 14 is likewise any pump appropriate for the particular application.
- the illustrated pump comprises a gear pump having a housing 36 enclosing a pair of gears rotatably supported on respective shafts 42 , 43 .
- An inlet port 44 and outlet port 45 are provided in the housing.
- Shaft 42 projects outwardly from the housing as a drive shaft, and can be rotated to operate the gears and transfer fluid from the inlet port 44 to the outlet port 45 .
- the housing 36 typically comprises a series of housing plates 47 - 49 , which are secured together in adjacent relation by bolts 50 , although it should be appreciated that the housing could be formed of any number of plates.
- a particularly useful pump for the present invention is available from the Zenith Pump Division under the mark/designation C-9000, and has a capacity of 2.4 cc/rev; although again, it should be appreciated that a variety of pumps could likewise be used with the present invention, and the above is only an example of one such pump.
- the pump 14 can be coupled to the motor 12 in any appropriate manner, such that the drive shaft 42 of the pump is rotated when the drive shaft 26 of the motor rotates.
- a coupling can be a direct mechanical coupling, or in a preferred embodiment, it can be a magnetic coupling.
- an outer magnet assembly 54 is attached to the motor shaft 26 ; an inner magnet assembly 55 is attached to the pump shaft 42 ; and a cup-shaped barrier 56 separates the inner magnet assembly from the outer magnet assembly.
- Such a magnetic coupling assembly is conventional, and should be well-known to those of ordinary skill in the art such that the drive shafts are coupled together without any actual direct mechanical linkage.
- a flange extension, indicated generally at 57 of the motor housing encloses the magnetic coupling assembly, but this may be absent if a direct mechanical coupling is used.
- Both the motor housing and the pump housing include an annular connection flange.
- the motor housing and more specifically, the flange extension 57 of the motor housing, has a radially outwardly projecting annular connection flange 60 , which, as shown in FIG. 5, has a tapered or beveled peripheral edge 62 circumferentially surrounding the flange extension, and a substantially flat end surface 63 extending transverse to the axis of the motor.
- the pump housing and more particularly the front plate 47 of the pump housing, has a radially outwardly projecting annular connection flange 64 , which has a tapered or beveled peripheral edge 66 circumferentially surrounding the pump housing, and a substantially flat end surface 68 extending transverse to the axis of the motor (see also, FIG. 4 ).
- the annular connection flanges 60 , 64 of the motor and pump are preferably substantially identical, and when the pump is mounted to the motor as described below, the flat forward surfaces 63 , 68 mate with each other and provide a flush, mechanically-sealed interface between the motor and the pump.
- sealing rings can be provided between the opposing end surfaces of the connection flanges if desirable to maintain a fluid-tight seal between the pump and motor.
- a flange clamp indicated generally at 72 in FIGS. 2-5.
- the flange clamp 72 is preferably of the type commonly referred to as a “sanitary flange clamp”, and surrounds and encompasses the annular connection flanges 60 , 64 of the pump and the motor.
- the flange clamp includes an internal, wedge or V-shaped geometry 74 (FIG. 5) which receives and preferably substantially matches the beveled edges on the annular connection flanges. When the clamp is tightened, the internal geometry squeezes the edges of the annular connection flanges together to create a secure, mechanical face seal across the end surfaces of the pump and motor.
- the flange clamp 72 preferably includes a pair of arcuate clamping arms 78 , 79 which are pivotally supported at one end 80 , 81 , such as being connected directly together, or connected through an intermediate arcuate arm 82 ; and a locking member (wing nut) 84 connecting the other, distal free ends 85 , 86 , respectively, of the arms together.
- the locking member 84 has an enlarged end 88 , which can be easily grasped to rotate the member, and an opposite end which is pivotally connected as at 89 to the free end 85 of clamping arm 78 .
- a slot shown at 90 in FIG.
- a particularly useful flange clamp for the present invention is available from Tri-Clover, Inc. of Kenosha Wash., under the mark/designation 13 MHHS & A13 MHHS; although again, it should be appreciated that a variety of flange clamps could likewise be used with the present invention, and the above is only an example of one such clamp.
- the pump 14 includes a locating geometry, such as an annular raised ridge or surface portion 94 on the forward surface of the connecting flange 64 (see FIG. 4 ), which is received within a cooperating circular recess (not shown) in the mating surface of the motor connecting flange 60 , to properly concentrically and axially align the motor with respect to the pump.
- a locating geometry such as an annular raised ridge or surface portion 94 on the forward surface of the connecting flange 64 (see FIG. 4 ), which is received within a cooperating circular recess (not shown) in the mating surface of the motor connecting flange 60 , to properly concentrically and axially align the motor with respect to the pump.
- a rotational orientation feature such as a pin and hole (also not shown), could be provided if it is important or useful to have the pump mounted at a specific rotational orientation with respect to the motor.
- the present invention provides a fluid metering assembly having a flange clamp that provides a simple and easy connection and disconnection of a pump from a motor, and which minimizes the time and labor associated with changing out a pump.
- the flange clamp of the present invention allows rapid and tool-free connection and disconnection of the pump to the motor.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/325,610 US6764284B2 (en) | 2002-01-10 | 2002-12-19 | Pump mount using sanitary flange clamp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34807902P | 2002-01-10 | 2002-01-10 | |
US10/325,610 US6764284B2 (en) | 2002-01-10 | 2002-12-19 | Pump mount using sanitary flange clamp |
Publications (2)
Publication Number | Publication Date |
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US20030129068A1 US20030129068A1 (en) | 2003-07-10 |
US6764284B2 true US6764284B2 (en) | 2004-07-20 |
Family
ID=26985009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/325,610 Expired - Lifetime US6764284B2 (en) | 2002-01-10 | 2002-12-19 | Pump mount using sanitary flange clamp |
Country Status (1)
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US (1) | US6764284B2 (en) |
Cited By (47)
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US20050084392A1 (en) * | 2003-10-20 | 2005-04-21 | United Dominion Industries, Inc. | Pump drive alignment apparatus and method |
US20050133625A1 (en) * | 2003-12-19 | 2005-06-23 | Mcleod David J. | Knockdown pump containment assembly apparatus and method |
US20060208002A1 (en) * | 2005-03-21 | 2006-09-21 | Lancer Partnership Ltd | Methods and apparatus for pumping and dispensing |
US20060292016A1 (en) * | 2005-06-23 | 2006-12-28 | Graco Minnesota Inc. | Reciprocating piston pump serviceable without tools |
US20070248480A1 (en) * | 2006-04-20 | 2007-10-25 | Viking Pump, Inc. | Multiple Section External Gear Pump With the Internal Manifold |
US7309218B1 (en) * | 2004-11-10 | 2007-12-18 | Graham Louis Lewis | Gear pump |
US20080317611A1 (en) * | 2005-12-12 | 2008-12-25 | Carrier Commerical Refrigeration, Inc. | Adapter Plate in a Pump of a Beverage System |
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US20090324404A1 (en) * | 2008-06-25 | 2009-12-31 | Dresser-Rand Company | Shear ring casing coupler device |
US20100172774A1 (en) * | 2007-06-05 | 2010-07-08 | Sanden Corporation | Compressor |
US8061737B2 (en) | 2006-09-25 | 2011-11-22 | Dresser-Rand Company | Coupling guard system |
US8062400B2 (en) | 2008-06-25 | 2011-11-22 | Dresser-Rand Company | Dual body drum for rotary separators |
US8061972B2 (en) | 2009-03-24 | 2011-11-22 | Dresser-Rand Company | High pressure casing access cover |
US8075668B2 (en) | 2005-03-29 | 2011-12-13 | Dresser-Rand Company | Drainage system for compressor separators |
US8079622B2 (en) | 2006-09-25 | 2011-12-20 | Dresser-Rand Company | Axially moveable spool connector |
US8079805B2 (en) | 2008-06-25 | 2011-12-20 | Dresser-Rand Company | Rotary separator and shaft coupler for compressors |
US8087901B2 (en) | 2009-03-20 | 2012-01-03 | Dresser-Rand Company | Fluid channeling device for back-to-back compressors |
US8162625B1 (en) * | 2009-09-22 | 2012-04-24 | Harry Soderstrom | Nested motor, reduction motor reduction gear and pump with selectable mounting options |
US8210804B2 (en) | 2009-03-20 | 2012-07-03 | Dresser-Rand Company | Slidable cover for casing access port |
US8231336B2 (en) | 2006-09-25 | 2012-07-31 | Dresser-Rand Company | Fluid deflector for fluid separator devices |
US8267437B2 (en) | 2006-09-25 | 2012-09-18 | Dresser-Rand Company | Access cover for pressurized connector spool |
US8302779B2 (en) | 2006-09-21 | 2012-11-06 | Dresser-Rand Company | Separator drum and compressor impeller assembly |
US8408879B2 (en) | 2008-03-05 | 2013-04-02 | Dresser-Rand Company | Compressor assembly including separator and ejector pump |
US8414692B2 (en) | 2009-09-15 | 2013-04-09 | Dresser-Rand Company | Density-based compact separator |
US8434998B2 (en) | 2006-09-19 | 2013-05-07 | Dresser-Rand Company | Rotary separator drum seal |
US8596292B2 (en) | 2010-09-09 | 2013-12-03 | Dresser-Rand Company | Flush-enabled controlled flow drain |
US8657935B2 (en) | 2010-07-20 | 2014-02-25 | Dresser-Rand Company | Combination of expansion and cooling to enhance separation |
US8663483B2 (en) | 2010-07-15 | 2014-03-04 | Dresser-Rand Company | Radial vane pack for rotary separators |
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2002
- 2002-12-19 US US10/325,610 patent/US6764284B2/en not_active Expired - Lifetime
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